Try filling up from a different fuel station ... or a different brand ...
Just to share.. I also use petron extra advance.
My m3 is 4mos old and i have no bad experience with the engine naman.
When i first asked my SA which fuel brand to use, he just gave me 2 pointers: use unleaded with octane no greater than 93 and to just stick to 1 brand (he didnt mention to just use Shell)
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Might not be about brands in general. Bad gas could be from isolated contaminated pumps.
Running diagnostics can show how the ECU is reacting to air/fuel supply even w/o popped codes. I once had some random irregular engine behavior that was caused by a crimped PCV O-ring. The trouble should be minor. Car isn't stalling nor not starting.
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The Mazda 3 is my first car ever. I've been washing it weekly ever since it came out of the casa. Can you guys share your own car wash method and best practices?
Here's what I do:
- Clean the interior with armor all and a microfiber cloth
- Cleaning of the plastic matting with wet wipes
- Pre-wash with a regular hose
- Use a sponge with microfiber cloth and MTX wash & wax and a two-bucket method
- Post-wash
- Chamois for drying
- Another microfiber cloth for those other water spots and drips
- Glass cleaner with newspaper
- Clean the rims and apply tire black to the tires
All of this takes about an hour and 15 minutes. It might just be faster to go to a car wash, but it's always been fun. Good workout too. =)
I use Meguiar's supreme shine hi-gloss protectant to enhance the interior trims.
Meguiar's interior detailer is also a good choice if you prefer to keep that matte finish.
Wash methods? 2 bucket system definitely. I use MTX car shampoo with MTX washmitt for a scratch-free wash. Start with spraying the car with water then wash the car from roof, hood, rear to door sides. Dry the car with a fluffy (500gsm) microfiber towels like this one from the Rag Company:
https://www.theragcompany.com/value-...-towel-5-pack/
MTX Ultra Flush microfiber towel is good also for drying the M3. I use at least 2 towels.
I don't recommend using a chamois to dry the car. Using it is a sure way to produce those nasty paint swirls and scratches.
Use a detailer to remove water spots and sticky grims from the car's body. Meguiar's ultimate quik detailer is a good option, or CarPro Spotless:
https://youtu.be/3DRMt_WdLx4
MTX nanosliq quick detailer is an affordable option.
Keep your car's windshield in top condition and water spot free with Glass Science glass scrub cleaner and Rain Clear gel.
Paint protection? I would highly recommend a quality ceramic coating while your M3's paint is still in good condition. You might qualify for a discounted price from Technical Details. If ceramic coating is not within budget, regular waxing is important. I use Mequiar's ultimate quik wax for another hatchback and so far I find it very helpful on keeping the car's paint shiny with some hydrophobic properties that can last for a month. A better option that will last for months is to use Collinite 845 insulator wax:
https://youtu.be/BDcjSOLFEW0
Aren't fuels with bioethanol supposed to be clearly indicated at the fuel pumps? The only Shell fuel brand that's labeled with bioethanol is FuelSave.
But V-Power?
https://www.autoindustriya.com/auto-...-dynaflex.html
Ethanol fuel in the Philippines - Wikipedia
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